SAE ARP 820 PDF Download


Physical and Performance Tests for Type II (-65 to +275 mDF) O-Ring Packings, 3000 psi Hydraulic Service ( Reaffirmed: Jul 1992 Dec 2007 )
standard by SAE International, 08/10/1964

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This document outlines proposed test methods for the qualification of O-ring packings intended for use in aircraft hydraulic systems utilizing MIL-H-5606 fluid at rated service pressures up to 3000 psi and temperatures ranging from -65 to 275 F. It will also serve as the basis for the future preparation of a complete packing specification after basic elastomer types have been established by capability of performance.

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